Physics for IGCSE & O level - The Earth In Space (Section 6 - No. 2)
What is the primary function of radio telescopes in studying the Big Bang theory?
Observing visible light from distant galaxies.
Detecting cosmic microwave background radiation (CMBR).
Studying the chemical composition of stars.
Mapping the positions of black holes.
Explanation
Radio telescopes are used to detect CMBR.
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